Wuhan Sanjing Chemical Co., Ltd

For more than 40 years, Entegris has been a provider of critical products and materials used in advanced high-technology manufacturing. These products and materials are often used to make the building blocks of many of the world's most complex microe

Teilch is a technology company that develops intelligent air quality solutions for a wide range of controlled environments. It was founded by leading engineers in the areas of Optics, Electronics and Technology Businesses that bring 50 combined years

Knick develops and distributes measuring systems for liquid analysis: pH value, conductivity, oxygen. Hazardous and non-hazardous area. Process, lab and portabel meters. Transmitters, sensors, holders, accessories.